body {
    background: url(../img/background.jpg) no-repeat;
    background-size: cover;
    font-size: 16px;
}
.container {
    margin-top:100px
}
.form {
    background: rgba(255,255,255,0.2);
    width:400px;
    margin:0 auto;
}
#login_form {
    display: block;
}
.fa {
    display: inline-block;
    top: 27px;
    left: 6px;
    position: relative;
    color: #ccc;
}
input[type="text"],input[type="password"] {
    padding-left:26px;
}
.checkbox {
    padding-left:21px;
}
label {
    color: #555;
    font-family: inherit;
    font-size:10px;
}